PREPARATION AND CHARACTERISTICS OF A CROWN ETHER POLYSILOXANE STATIONARY PHASE FOR CAPILLARY GAS-CHROMATOGRAPHY

被引：40

作者：

WU, CY

WANG, CM

ZENG, ZR

LU, XR

机构：

[1] Department of Chemistry, Wuhan University

来源：

ANALYTICAL CHEMISTRY | 1990年 / 62卷 / 09期

关键词：

D O I：

10.1021/ac00208a013

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new crown ether, n-undecyloxymethyl-18-crown-6 polysiloxane (PSO-11-18C6) Is prepared and coated on a fused silica capillary column. Chromatographic characteristics, including column efficiency, allowable temperature range, thermal stability, polarity, and selectivity, are studied. The new stationary phase is comparable to Carbowax-20M in polarity and selectivity and has an operational temperature range of 70–300 °C. Selectivity is superior to Carbowax-20M for n -alcohols and esters, and some aromatic compounds separate well on the crown ether column. The separation mechanism is also discussed. © 1990, American Chemical Society. All rights reserved.

引用

页码：968 / 971

页数：4

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